Question

If the wheel of the engine of a train 45 m in circumference makes 7 revolutions in 4 seconds, then the speed
(in km/hr) of the train is
(a) 27
(b) 28
(c) 29
(d) 30
[Hint. x m/s = xx
Hint. x m/s fry 18)
km/hr, i.e., to change speed in m/s to km/hr)​

Answer 1

Answer:

a 27

hey refund funny fun day fun fun

Answer 2

Answer:

a.27

it will definitely help u...